Alan Shearer and Gary Lineker could not see eye to eye on the role that one Manchester United star could play in the final of Euro 2024 in Germany. Luke Shaw and Kobbie Mainoo are the two Manchester United stars who have been a key part of Gareth Southgate’s England squad at the tournament. Kobbie Mainoo has become a linchpin midfield figure for Gareth Southgate in the knockout rounds, having been overlooked early in the competition. The 19-year-old United midfielder played only four minutes in the Group C opener against Serbia before he was left as an unused substitute in the Denmark match. M…